Condition Navigator
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Hyperhidrosis
(Excessive Sweating) Hyperhidrosis – Definition Hyperhidrosis is excessive sweating. It can be an embarrassing and serious problem. It can affect…
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Hodgkin’s Lymphoma — Adult
(Hodgkin’s Disease—Adult) Hodgkin’s Lymphoma – Adult – Definition Hodgkin’s lymphoma is a cancer of the lymphatic system. The lymphatic system…
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HIV and AIDS
(Human Immunodeficiency Virus and Acquired Immunodeficiency Syndrome) HIV and AIDS – Definition HIV is a virus that attacks white blood…
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Heat Exhaustion and Heat Stroke
Heat Exhaustion and Heat Stroke – Definition Heat exhaustion is an illness that occurs when someone is too active in…
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Hairy Cell Leukemia
(HCL; Leukemic Reticuloendotheliosis) Hairy cell leukemia – Definition Hairy cell leukemia (HCL) is a rare form of cancer. It involves…
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